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AD8620ARZ-REEL7 데이터시트(PDF) 1 Page - Analog Devices |
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AD8620ARZ-REEL7 데이터시트(HTML) 1 Page - Analog Devices |
1 / 24 page Precision, Very Low Noise, Low Input Bias Current, Wide Bandwidth JFET Operational Amplifier AD8610/AD8620 Rev. E Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2006 Analog Devices, Inc. All rights reserved. FEATURES Low noise: 6 nV/√Hz Low offset voltage: 100 μV maximum Low input bias current: 10 pA maximum Fast settling: 600 ns to 0.01% Low distortion Unity gain stable No phase reversal Dual-supply operation: ±5 V to ±13 V APPLICATIONS Photodiode amplifier ATE Instrumentation Sensors and controls High performance filters Fast precision integrators High performance audio PIN CONFIGURATIONS NC = NO CONNECT AD8610 TOP VIEW (Not to Scale) NULL 1 –IN 2 +IN 3 V– 4 NC V+ OUT NULL 8 7 6 5 Figure 1. AD8610 8-Lead MSOP and SOIC_N AD8620 TOP VIEW (Not to Scale) OUTA 1 –INA 2 +INA 3 V– 4 V+ OUTB –INB +INB 8 7 6 5 Figure 2.AD8620 8-Lead SOIC GENERAL DESCRIPTION The AD8610/AD8620 are very high precision JFET input ampli- fiers featuring ultralow offset voltage and drift, very low input voltage and current noise, very low input bias current, and wide bandwidth. Unlike many JFET amplifiers, the AD8610/AD8620 input bias current is low over the entire operating temperature range. The AD8610/AD8620 are stable with capacitive loads of over 1000 pF in noninverting unity gain; much larger capacitive loads can be driven easily at higher noise gains. The AD8610/ AD8620 swing to within 1.2 V of the supplies even with a 1 kΩ load, maximizing dynamic range even with limited supply volt- ages. Outputs slew at 50 V/μs in either inverting or noninverting gain configurations, and settle to 0.01% accuracy in less than 600 ns. Combined with high input impedance, great precision and very high output drive, the AD8610/AD8620 are ideal amplifiers for driving high performance ADC inputs and buffering DAC converter outputs. Applications for the AD8610/AD8620 include electronic instru- ments; ATE amplification, buffering, and integrator circuits; CAT/MRI/ultrasound medical instrumentation; instrumentation quality photodiode amplification; fast precision filters (including PLL filters); and high quality audio. The AD8610/AD8620 are fully specified over the extended industrial (−40°C to +125°C) temperature range. The AD8610 is available in the narrow 8-lead SOIC and the tiny 8-lead MSOP surface-mount packages. The AD8620 is available in the narrow 8-lead SOIC package. 8-lead MSOP packaged devices are avail- able only in tape and reel. |
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